<template>
<div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page,index) of pages" :key="index">
      <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon-img">
          <img class="icon-img-content" :src="item.imgUrl"/>
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
    </swiper-slide>
  </swiper>
</div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data: function () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/variable.styl"
  @import "~styles/minins.styl"
.icons >>> .swiper-container
  height:0
  padding-bottom:50%
.icons
  margin-top:.1rem
  .icon
    position: relative
    overflow:hidden
    float: left
    height:0
    width: 25%
    padding-bottom: 25%
    .icon-img
      position: absolute
      top:0
      left:0
      right:0
      bottom:.44rem
      box-sizing:border-box
      .icon-img-content
        display: block
        margin:0 auto
        height:100%
    .icon-desc
      position: absolute
      left:0
      right:0
      bottom:0
      height:.44rem
      line-height:.44rem
      text-align:center
      color:$darkTextColor
      ellipsis()

</style>
